COVID-19 daily progression

Data for all US counties are pulled daily from the nytimes github repository: https://github.com/nytimes/covid-19-data. Below, I plot the daily progression of cases per capita and the daily change in cases per capita for the following counties:
1. Philly (me)
2. Cook (Ben)
3. Hennepin (Sydney)
4. Collier (Mom and Larry)
5. Sumter (Bonnie’s parents)

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## Most recent data: 2020-04-12

Cool video :)

Animation of cases per capita.

Looking by date of “first” case

Now the same curves are plotted as a function of days since “first” case, rather than date. The reason there are quotes around “first” is that we are ignoring the two cases that Chicago had between Jan 24 and Feb 29.
Note the